As the name implies, hand tools are tools that people use when working by hand. It is a classification of the hardware industry. Consumables, the specific quantity purchased and purchase frequency will need to be analyzed in detail. Hand tools can be divided into wrenches, pliers, screwdrivers, measuring tapes, hammers, sockets, cutting tools, scissors, tool sets, and auxiliary tools such as tool carts. Each type has different models. Wrenches include double open end wrenches, double ring wrenches, combination ratcheting wrenches, combination wrenches, flare nut wrenches, T-type socket wrenches, cross socket wrenches, adjustable wrenches and other categories; Pliers include combination pliers, long nose pliers, diagonal cutting pliers, internal & external circlip pliers, slip joint pliers, groove joint pliers, pipe pliers, lock-grip pliers and other categories; The screwdrivers have slotted, phillips, Pozy, hexagon, torx and other categories; There are three specifications of sockets: 1/4", 3/8" and 1/2".‘ "’ this punctuation that means “inches”; at the same time, each specification is divided into 6PT socket and 12PT socket; Socket types are divided into pneumatic sockets and hand sockets; Hammers are divided into claw hammer, machinist hammer, ball pein hammer, rubber hammer and soft-faced hammer; Cutting categories include files, diamond files, tin snips, aviation scissors, snap off knives, square pipe saws, pipe cutters, cable cutters, etc.; In terms of material, there are chrome vanadium steel, carbon steel, alloy steel, etc.